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Finding the Fourth Proportional to 501,787.60, 692,467.53 and 272,344.86

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Solution

The fourth proportional to 501,787.60, 692,467.53 and 272,344.86 is: 375,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,787.60 : 692,467.53 = 272,344.86 : x
  2. Step 2: Convert to fraction form
    501,787.60/692,467.53 = 272,344.86/x
  3. Step 3: Cross multiply
    501,787.60x = 692,467.53 × 272,344.86
  4. Step 4: Simplify right side
    501,787.60x = 188,589,971,075.48
  5. Step 5: Solve for x
    x = 188,589,971,075.48/501,787.60
  6. Step 6: Final answer
    x = 375,836.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.